- Ⅰ.let  ► VERB (letting; past and past part. let) 1) not prevent or forbid; allow. 2) used in the imperative to express an intention, proposal, or instruction: let's have a drink. 3) used to express an assumption upon which a theory or calculation is to be based. 4) allow someone to have the use of (a room or property) in return for payment.► NOUN Brit. ▪ a period during which a room or property is rented.● let alone — Cf. ↑let alone● let down — Cf. ↑let down● let fly — Cf. ↑let fly● let go — Cf. ↑let go● let into — Cf. ↑let into● let oneself go — Cf. ↑let oneself go● let off — Cf. ↑let off● let on — Cf. ↑let on● let out — Cf. ↑let out● let up — Cf. ↑let up● to let — Cf. ↑to letDERIVATIVES letting noun.ORIGIN Old English, «leave behind, leave out»; related to LATE(Cf. ↑lateness).Ⅱ.let  ► NOUN ▪ (in racket sports) a circumstance under which a service is nullified and has to be retaken, especially (in tennis) when the ball clips the top of the net and falls within bounds.● let or hindrance — Cf. ↑let or hindrance● play a let — Cf. ↑play a letORIGIN Old English, «hinder»; related to LATE(Cf. ↑lateness).
English terms dictionary. 2015.